Engine Department Competence

Fuel Oil Treatment & Management

Test your knowledge of fuel oil treatment systems, fuel purification, CAT Fines removal, Hybrid Fuels, fuel compatibility, and onboard fuel management according to engine makers' recommendations. Designed for marine engineers of all ranks.

Questions 15

Time Limit 9 min

Language English

Sample Questions

Here are some example questions from this quiz. Download the GYRO app to take the full test.

Question 1

Definition of fuel oil treatment line:

A Settling.

B Pumping.

C Heating and separation.

D Filtration and chemical dosing.

E Cooling and recirculation.

Question 2

Unstable fuel on board is result of:

A Long storage.

B Overheating.

C Mixing two different sources.

D Excessive lubrication oil contamination.

E High ambient humidity in engine room.

Question 3

Purification temperature of hybrid fuels is:

A 80°C - 85°C.

B 50°C - 60°C.

C 90°C - 100°C.

D 100°C - 110°C.

Question 4

What is the recommended exhaust gas temperature to prevent cold corrosion during "slow" and "super slow" steaming?

A Above 250°C.

B Above 150°C.

C Above 1000°C.

D Above 50°C.

Question 5

The basic treatment line comprises:

A Separators.

B Control unit.

C Separators feed pumps.

D Fuel oil service tank.

E Viscosity controller unit.

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